Cultivator



July 3, 19.28.

J. L. BRACK CULTIVATOR Filed Jan. 21, 1927 Patented July 3, 1928.

UNITED STATES PATENT OFFICE.

JULIUS L. BEACH, OF TWINING, MICHIGAN.

a- L ,7 GULTIVATOR.

Application filed January 21, 1927. Serial No. 162,540.

This invention relates to cultivators. As is well known to those skilledin the art cultivator teeth of the usual construction frequently springor shift laterally when brought into contact with quack grass, weeds,etc. with the result that the field is not prepared as efliciently asdesired.

It is an object of the present invention to provide the teeth of acultivator with C0111. bined guiding and cutting disks which projectbelow the points of the teeth so as to cut into the soil and not onlysever the vegetation in the path of the disks so that the teeth canproperly uproot it, but also hold the teeth against lateral. shiftingfrom the desired paths.

lVith the foregoing and other objects in View which will appear as thedescription proceeds the invention resides in the cone bination andarrangement of parts and in the details of construction hereinafterdescribed and claimed, it being understood that changes in the preciseen'ibodiinent of the invention herein disclosed may be made Within thescope of what is clain'ied with out departing from the spirit of theinve11- tion.

In the accompanying drawings, the preferred form of the invention hasbeen shown.

In said drawings:

Figure 1 is a plan view of a beam having several cultivator teethextending; therefrom and provided with disks for cutting into the soiland guiding the teeth.

Figure 2 is a side elevation of the structure shown in Figure 1.

Figure 3 is a rear elevation of two of the teeth and the disk associatedtherewith.

Figure l is a section on line 4L-4, Figure 2.

F.igure 5 is a side clevationof one of the disks.

deferring to the figures by characters of reference 1 designates a beamforming part of a cultivator and bolted or otherwise secured to thisbeam arespring cultivator teeth 2 a ranged in pairs, the teeth of eachpair having their lower or free ends beveled to provide downwardlyconverging edges 3 forming points a at the inner sides of the teeth. Asshown particularly in Figure 2 the teeth are curved rearwardly ordownwardly so that the points AI; will dig; into and loosen the soil.

Secured to the back faces of the teeth are plates 5 offset transverselybetween their ends to provide bearings (3 for short shafts 7 each ofwhich has a cutting disk 8 inounted on the central portion thereof,, thedisk being; clamped between collars 9 mounted on the shaft of the disk.If preferred. and as shown in F igure 4% the central portion of theshaft engaged by the collars can be n'iade angula as indi 'aled at 1.0to lit within angular openings within the collars.

Each disk 8 of such diameter that when it is properly assembled betweenthe teeth of one pair of will project slightly below the points of theteeth. Each disk has a cutting edge and is adapted, during); the forwardmovement of the teeth, to cut into the soil and any vegetatioi'i in thepath of the disk so that the teeth can readily loosen the soil and liftthe severed vegetation. [is the disks project below the teeth they willengage the soil to a greater depth than the teeth and thus prevent saidteeth from shifting laterally out of the paths in which they shouldtravel.

lVhat is claimed is:

1 A. cultivator including a pair of spaced sprlng strips constitutingsoil engaging teeth. and a combined cutting); and guiding disk betweenand supported by said teeth, said disk being; extended forwardly beyondthe lower end portions of the teeth and downwardly between and below thepoints of the teeth.

2 A cultivator ii'icluding a pair of spaced spring strips constitutingsoil engagii teeth, and a combined cutting and guiding; disk between andsupported by said teeth, said disk being extended for vardly beyond thelower end portions of the teeth and downwardly between and below thepoints of the teeth the free ends of the teeth converging downwardly toprovide points close to and at opposite sides of the disk.

In tStll]i()]1 V that I claim the foregoing as my own, I have heretoaffixed my signature.

JULIUS L. BRltGK.

